Can’t. Have you ever had a child in Y6?
Yes, two. One who had become a selective mute on a previous transition between schools and was for a long time thought to have ASD (symptoms were in fact caused by school-induced anxiety).
If schools could go back 'as normal' - full classes, able to practice a play, do trips, go on planned residentials, travel to the council chamber to do debates, able to visit their new secondaries en masse on transition days and spend a full day with their new class, do inter-school and within-school sports competitions, have a disco or party, do a final assembly to a packed hall of well-wishers - then absolutely, I would say that they should be in school to experience all these rites of passage.
What I am saying is that this year, none of that will be happening. None of it, whether the Year 6s are the 'priority year' allowed back into school or not. It is this 'not a normal year' version of Y6 that I am saying should not be given priority, or at least not priority over the educational needs of other years.
As I have said before, IF a safe way can be found to do it, Year 6 visiting their new school in small groups would be great (probably straight from home, then back home), Y7 tutors calling every new Y6 should be a priority, conversations between Y6 and Y7 teachers must be scheduled, secondaries should be planning an extended induction process, and if at all possible, Y6 should be able to come back into school for the final week, even if the school is closed to all other years to enable this.
But those saying that Y6 should go back because they must do the full half term of 'normal' end of primary activities - I'm really sorry, that;'s just not going to happen, and the 'Corona alternative' is not worth sacrificing the education of other primary years for.